body, html
  line-height: 1
  font-weight: 200
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial,
  sans-serif

.clearfix
  display: inline-block
  &:after
    display: block
    content:"."
    height: 0
    line-height: 0
    clear: both
    visibility: hidden


@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
 .border-1px
   &::break-after
     -webkit-transform : scaleY(0.7)
     transform: scaleY(0.7)


@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
 .border-1px
   &::break-after
    -webkit-transform : scaleY(0.5)
    transform: scaleY(0.5)

